Lil lil

https://www.mangago.zone/people/tag/1264894/Oyaji+Seme/

https://www.mangago.zone/read-manga/on_doorstep/

Do ancient gods and demons count ? lol

I accept anything above 25 ლ(´ڡ`ლ)

(つ✧ω✧)つ

https://www.mangago.zone/home/mangalist/2559176/

I prefer that age minimum too (except when I’m being messy and want a student x teacher forbidden moment) lol

I’ll be back with some from my other account.

https://www.mangago.zone/home/mangalist/2543440/

I think "Heesu in Class 2" would be a perfect recommendation...given that your friend is not into bl yet.

you should start with something soft I guess
http://www.mangago.zone/read-manga/akai_ito_no_shikkou_yuuyo/
http://www.mangago.zone/read-manga/isso_koe_ga_nakattara/
http://www.mangago.zone/read-manga/goshujinsama_wa_ouji_ga_o_suki/
http://www.mangago.zone/read-manga/karasugaoka_don_t_be_shy/
http://www.mangago.zone/read-manga/ookami_kun_wa_kowakunai/
http://www.mangago.zone/read-manga/kimi_to_no_dogfight/
http://www.mangago.zone/read-manga/oko_sama_star/
http://www.mangago.zone/read-manga/kasegimasen_kara/
http://www.mangago.zone/read-manga/yowamushi_danshi_renai_hajimemasu/
http://www.mangago.zone/read-manga/mad_cinderella/
and then your friend could walk her way to the bottomless pit of no return that is yaoi.